CVE-2023-52888 media: mediatek: vcodec: Only free buffer VA that is not NULL

What is CVE-2023-52888?

CVE-2023-52888 is a medium-severity vulnerability in Linux kernel, published on 30 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

media: mediatek: vcodec: Only free buffer VA that is not NULL

In the MediaTek vcodec driver, while mtk_vcodec_mem_free() is mostly called only when the buffer to free exists, there are some instances that didn't do the check and triggered warnings in practice.

We believe those checks were forgotten unintentionally. Add the checks back to fix the warnings.

Weakness: CWE-415

Which versions are affected by CVE-2023-52888?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-52888?

Apply the vendor's patch.

Is CVE-2023-52888 being exploited?

There is no known exploitation of CVE-2023-52888 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2023-52888, DEBIAN-CVE-2023-52888, GHSA-m9c3-v5xg-j7mc, ROOT-OS-DEBIAN-11-CVE-2023-52888, ROOT-OS-DEBIAN-12-CVE-2023-52888, ROOT-OS-UBUNTU-2204-CVE-2023-52888 and 1 more.